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OpCert Lookup
Lookup an operator by name or certification number
Updates to the program
Calendars, online training, and info for trainers
Exam dates
Exam information
Forms & applications
Download a required form
Next exam date

The next exam day is November 2nd, 2016. Registration is closed.

Contact information
Wastewater Operator Certification
Municipal Waterworks Operator Certification
Small Water System (OTM/NN) Operator Certification
Septage Operator Certification and Septage Business Licenses
Landfill Operator Certification

Operator certification program

About the program

The program is responsible for ensuring that various types of professional operators have adequate training to perform the necessary tasks at their facilities or businesses. Review certification and licensing requirements by selecting the appropriate link.

Operator certification lookup webpage

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operator certification lookup button
  • View an operator's training history report?
  • Print a wallet card?
  • See which certifications an operator holds?

Types of operator certification

Madison Wastewater Treatment Plant

Madison Wastewater Treatment Plant
Photo credit: Danielle Luke, Wisconsin DNR

Type of business licensing

Wisconsin administrative codes

The following Wisconsin administrative codes establish and are implemented by the Operator Certification Program.

Last revised: Tuesday October 11 2016